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smartphone

or smart phone

[smahrt-fohn]
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noun
  1. a device that combines a cell phone with a handheld computer, typically offering Internet access, data storage, email capability, etc.
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Origin of smartphone

First recorded in 1995–2000
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for smart phone

smartphone

noun
  1. computing a mobile telephone with computer features that may enable it to interact with computerized systems, send e-mails, and access the web
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012